Amazfit Wristband: A1603 Automatic HR Activity Tracker - Sleep and Heart Rate Monitor Hand Band

0.42-Inch Digital Activity Wrist Band - Amazfit Arc

• Automatically tracks your day-to-day activities; heart rate, walking steps, sleep period, calories, distance and so on..
• Features OLED touchscreen display; electronic time and date; vibrating alarm / alert indicator;
• Compatible for iOS and Android smart mobile devices;
• Lightweight and water-resistant (IP-67)..
• Up to twenty days battery life..

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